Cheapest return ZRH–SOF flights, December

AirHint found the following cheapest return flights from Zurich (ZRH) to Sofia (SOF) in December 2026 (see full year).

Return flights

07 Dec - 13 Dec SWISS direct
05 Dec - 10 Dec Lufthansa
06 Dec - 12 Dec SWISS
06 Dec - 11 Dec Turkish Airlines

Also check the deals for one-way flights from Zurich to Sofia in December.

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